private void LaiSuất_Click(object sender, EventArgs e)
 {
     if (LaiSuatfrm == null || LaiSuatfrm.IsDisposed)
     {
         LaiSuatfrm           = new frmLaiSuat();
         LaiSuatfrm.MdiParent = this;
         LaiSuatfrm.Show();
     }
     else
     {
         LaiSuatfrm.Activate();
     }
 }
예제 #2
0
        private void btnThemLaiSuat_Click(object sender, EventArgs e)
        {
            frmLaiSuat LS = new frmLaiSuat();

            LS.ShowDialog();
        }